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241 lines
5.6 KiB
241 lines
5.6 KiB
What: /sys/kernel/config/most_<component> |
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Date: March 8, 2019 |
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KernelVersion: 5.2 |
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Description: Interface is used to configure and connect device channels |
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to component drivers. |
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Attributes are visible only when configfs is mounted. To mount |
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configfs in /sys/kernel/config directory use: |
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# mount -t configfs none /sys/kernel/config/ |
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What: /sys/kernel/config/most_cdev/<link> |
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Date: March 8, 2019 |
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KernelVersion: 5.2 |
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Description: |
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The attributes: |
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|
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buffer_size |
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configure the buffer size for this channel |
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|
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subbuffer_size |
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configure the sub-buffer size for this channel |
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(needed for synchronous and isochrnous data) |
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num_buffers |
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configure number of buffers used for this |
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channel |
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|
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datatype |
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configure type of data that will travel over |
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this channel |
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|
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direction |
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configure whether this link will be an input |
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or output |
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dbr_size |
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configure DBR data buffer size (this is used |
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for MediaLB communication only) |
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|
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packets_per_xact |
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configure the number of packets that will be |
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collected from the network before being |
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transmitted via USB (this is used for USB |
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communication only) |
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|
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device |
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name of the device the link is to be attached to |
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|
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channel |
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name of the channel the link is to be attached to |
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|
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comp_params |
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pass parameters needed by some components |
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create_link |
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write '1' to this attribute to trigger the |
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creation of the link. In case of speculative |
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configuration, the creation is post-poned until |
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a physical device is being attached to the bus. |
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|
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destroy_link |
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write '1' to this attribute to destroy an |
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active link |
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What: /sys/kernel/config/most_video/<link> |
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Date: March 8, 2019 |
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KernelVersion: 5.2 |
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Description: |
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The attributes: |
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|
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buffer_size |
|
configure the buffer size for this channel |
|
|
|
subbuffer_size |
|
configure the sub-buffer size for this channel |
|
(needed for synchronous and isochrnous data) |
|
|
|
|
|
num_buffers |
|
configure number of buffers used for this |
|
channel |
|
|
|
datatype |
|
configure type of data that will travel over |
|
this channel |
|
|
|
direction |
|
configure whether this link will be an input |
|
or output |
|
|
|
dbr_size |
|
configure DBR data buffer size (this is used |
|
for MediaLB communication only) |
|
|
|
packets_per_xact |
|
configure the number of packets that will be |
|
collected from the network before being |
|
transmitted via USB (this is used for USB |
|
communication only) |
|
|
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device |
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name of the device the link is to be attached to |
|
|
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channel |
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name of the channel the link is to be attached to |
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|
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comp_params |
|
pass parameters needed by some components |
|
|
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create_link |
|
write '1' to this attribute to trigger the |
|
creation of the link. In case of speculative |
|
configuration, the creation is post-poned until |
|
a physical device is being attached to the bus. |
|
|
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destroy_link |
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write '1' to this attribute to destroy an |
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active link |
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|
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What: /sys/kernel/config/most_net/<link> |
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Date: March 8, 2019 |
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KernelVersion: 5.2 |
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Description: |
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The attributes: |
|
|
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buffer_size |
|
configure the buffer size for this channel |
|
|
|
subbuffer_size |
|
configure the sub-buffer size for this channel |
|
(needed for synchronous and isochrnous data) |
|
|
|
|
|
num_buffers |
|
configure number of buffers used for this |
|
channel |
|
|
|
datatype |
|
configure type of data that will travel over |
|
this channel |
|
|
|
direction |
|
configure whether this link will be an input |
|
or output |
|
|
|
dbr_size |
|
configure DBR data buffer size (this is used |
|
for MediaLB communication only) |
|
|
|
packets_per_xact |
|
configure the number of packets that will be |
|
collected from the network before being |
|
transmitted via USB (this is used for USB |
|
communication only) |
|
|
|
device |
|
name of the device the link is to be attached to |
|
|
|
channel |
|
name of the channel the link is to be attached to |
|
|
|
comp_params |
|
pass parameters needed by some components |
|
|
|
create_link |
|
write '1' to this attribute to trigger the |
|
creation of the link. In case of speculative |
|
configuration, the creation is post-poned until |
|
a physical device is being attached to the bus. |
|
|
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destroy_link |
|
write '1' to this attribute to destroy an |
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active link |
|
|
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What: /sys/kernel/config/most_sound/<card> |
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Date: March 8, 2019 |
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KernelVersion: 5.2 |
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Description: |
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The attributes: |
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create_card |
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write '1' to this attribute to trigger the |
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registration of the sound card with the ALSA |
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subsystem. |
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What: /sys/kernel/config/most_sound/<card>/<link> |
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Date: March 8, 2019 |
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KernelVersion: 5.2 |
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Description: |
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The attributes: |
|
|
|
buffer_size |
|
configure the buffer size for this channel |
|
|
|
subbuffer_size |
|
configure the sub-buffer size for this channel |
|
(needed for synchronous and isochrnous data) |
|
|
|
|
|
num_buffers |
|
configure number of buffers used for this |
|
channel |
|
|
|
datatype |
|
configure type of data that will travel over |
|
this channel |
|
|
|
direction |
|
configure whether this link will be an input |
|
or output |
|
|
|
dbr_size |
|
configure DBR data buffer size (this is used |
|
for MediaLB communication only) |
|
|
|
packets_per_xact |
|
configure the number of packets that will be |
|
collected from the network before being |
|
transmitted via USB (this is used for USB |
|
communication only) |
|
|
|
device |
|
name of the device the link is to be attached to |
|
|
|
channel |
|
name of the channel the link is to be attached to |
|
|
|
comp_params |
|
pass parameters needed by some components |
|
|
|
create_link |
|
write '1' to this attribute to trigger the |
|
creation of the link. In case of speculative |
|
configuration, the creation is post-poned until |
|
a physical device is being attached to the bus. |
|
|
|
destroy_link |
|
write '1' to this attribute to destroy an |
|
active link
|
|
|